MFC 282552: Remove the note about seekdir() removing telldir() cookies.  That was removed back in r269204.
MFC 282552:
Remove the note about seekdir() removing telldir() cookies.  That was
removed back in r269204.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase